Pieter
Boom
1912
Aaltje
Boom
(
1913
–
1990
)
Pieter
Boom
(
1914
–
1988
)
Andries
Boom
(
1916
–
)
Jaap (Jacob)
Boom
(
1920
–
)
Jan
Boom
(
1920
–
2006
)